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29102486943 = 39700828981
BaseRepresentation
bin11011000110101001…
…001011010110011111
32210010012110111220210
4123012221023112133
5434100214040233
621211451143503
72050121025465
oct330651132637
983105414823
1029102486943
1111384660202
125782444b93
13298a45c69a
1415a1178835
15b54e3e163
hex6c6a4b59f

29102486943 has 4 divisors (see below), whose sum is σ = 38803315928. Its totient is φ = 19401657960.

The previous prime is 29102486939. The next prime is 29102486953. The reversal of 29102486943 is 34968420192.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29102486943 - 22 = 29102486939 is a prime.

It is a super-3 number, since 3×291024869433 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29102486892 and 29102486901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29102486953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850414488 + ... + 4850414493.

It is an arithmetic number, because the mean of its divisors is an integer number (9700828982).

Almost surely, 229102486943 is an apocalyptic number.

29102486943 is a deficient number, since it is larger than the sum of its proper divisors (9700828985).

29102486943 is an equidigital number, since it uses as much as digits as its factorization.

29102486943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9700828984.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 29102486943 in words is "twenty-nine billion, one hundred two million, four hundred eighty-six thousand, nine hundred forty-three".

Divisors: 1 3 9700828981 29102486943